!7

p {
  BufferedImage img = loadBufferedImage(#1006973);
  BWImage bw = getAlphaChannel(img);
  Image2B alpha = new Image2B(bw);
  
  int w = alpha.w(), h = alpha.h();
  
  Path2D.Float path = new Path2D.Float();
  path.moveTo(10, 10);
  path.lineTo(20, 10);
  path.lineTo(20, 20);

  showImage(alpha);
  showImage(renderShape(path));
}